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About Our Practice
Southwest Internal Medicine Specialists • Orlando, FL
Aparna Hernandez, M.D.
Board-Certified Internist
Dr. Hernandez has been serving Orlando-area patients for over 25 years, with a commitment to compassionate, thorough, and preventive care. She listens carefully, addresses the whole patient, and consistently earns the trust of patients and families across generations. Her dedication to excellence has been recognized by Orlando Magazine, which has named her a Top Doctor five consecutive years — from 2020 through 2024.
Education & Credentials
MEDICAL DEGREE
University of Bombay, India
RESIDENCY
Greater Baltimore Medical Center
BOARD CERTIFICATION
American Board of Internal Medicine
HOSPITAL AFFILIATIONS
Orlando Health & AdventHealth
Meet the Team
The dedicated staff behind your care at Southwest Internal Medicine Specialists.
Sarah Army, PA-C
Physician Assistant
Sarah brings a warm, patient-centered approach to primary care. She partners with Dr. Hernandez to deliver thorough, preventive-focused care that helps patients stay healthy for the long term.
Rebekah James, MHS, PA-C
Physician Assistant
Rebekah's background in health science drives her passion for patient education and disease prevention. She creates personalized care plans that empower patients to take an active role in their own health.
Marcus Castillo, PA-C
Physician Assistant
Marcus combines clinical expertise with genuine compassion, making patients feel heard and confident in their care. He's committed to guiding each patient toward their best possible health outcomes.
Our mission is to promote good health and to deliver the highest quality care to our patients — with compassion, respect, and in a timely manner.